<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>炫动方格</title>
    <style>
        body {
            background: #000;
            overflow: hidden;
        }

        canvas {
            display: block;
        }
    </style>
</head>
<body>
<canvas id="canvas"></canvas>
<script src="../../js/dynamicBg/dynamicBg3.js"></script>
</body>
</html>